Bill Karins

NBC News meteorologist Bill Karins joins Andrea Mitchell to discuss a powerful 8.8 magnitude earthquake off Russia's coast and the resulting tsunami warnings for the Pacific. Karins breaks down the science of tsunami formation and shares historical safety measures. The conversation also dives into the EPA's controversial proposal to roll back climate regulations established to protect public health. Climate scientist Dr. Michael Mann emphasizes the political motivations behind these changes and the urgent need for action against climate change.